245262064531 has 48 divisors (see below), whose sum is σ = 280427090944. Its totient is φ = 214117992000.

The previous prime is 245262064513. The next prime is 245262064561. The reversal of 245262064531 is 135460262542.

It is a happy number.

It is not a de Polignac number, because 245262064531 - 2¹¹ = 245262062483 is a prime.

It is a super-2 number, since 2×245262064531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245262064511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429530476 + ... + 429531046.

Almost surely, 2^245262064531 is an apocalyptic number.

245262064531 is a deficient number, since it is larger than the sum of its proper divisors (35165026413).

245262064531 is a wasteful number, since it uses less digits than its factorization.

245262064531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 245262064531 in words is "two hundred forty-five billion, two hundred sixty-two million, sixty-four thousand, five hundred thirty-one".